As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT ENG BLD OVERHEAT ON DURING TAXI. NEED TO REPLACE M859 LT BLEED AIR CONT CARD FOR LT BLEED OVERHEAT LIGHT AND EICAS MESSAGE. REPLACED M859 CARD PER MM. ACCOMPLISHED ENGINE RUN, NO HELP. LEFT OVERHEAT LIGHT STILL ON. FOUND WIRE W376-046-18 CHAFING AGAINST PYLON STRUCTURE. REPAIRED WIRE PER SWPM. LT BLD OVERHEAT LIGHT RETURNED TO NORMAL.